4389749323 has 2 divisors, whose sum is σ = 4389749324. Its totient is φ = 4389749322.

The previous prime is 4389749297. The next prime is 4389749393. The reversal of 4389749323 is 3239479834.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4389749323 is a prime.

It is not a weakly prime, because it can be changed into another prime (4389749393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194874661 + 2194874662.

It is an arithmetic number, because the mean of its divisors is an integer number (2194874662).

Almost surely, 2^4389749323 is an apocalyptic number.

4389749323 is a deficient number, since it is larger than the sum of its proper divisors (1).

4389749323 is an equidigital number, since it uses as much as digits as its factorization.

4389749323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 52.

The square root of 4389749323 is about 66255.1833670393. The cubic root of 4389749323 is about 1637.3690369244.

The spelling of 4389749323 in words is "four billion, three hundred eighty-nine million, seven hundred forty-nine thousand, three hundred twenty-three".